from Wiktionary, Creative Commons Attribution/Share-Alike License.
superlativeform of screaming: most screaming.
Sorry, no etymologies found.
You men now have the privilege of serving under the meanest, toughest, screamingest squadron commander in the Marine Corps: Me.
Watch him play the most powerful hitters, and he’s simply always there, perfectly poised to return the screamingest missiles.
Lola hasn't realized yet what she really hatched out -- the screamingest screamer ever pulled on anybody! "